From 09867a0e34d20864c3b4b1e49f688470c3f8bdc2 Mon Sep 17 00:00:00 2001 From: Raghava Aditya Renukunta Date: Thu, 2 Feb 2017 15:53:34 -0800 Subject: [PATCH] scsi: aacraid: Added ioctl to trigger IOP/IWBR reset Added a new ioctl interface to trigger an IOP or IWBR reset from ioctl. Primary used by management utility to trigger resets. Signed-off-by: Raghava Aditya Renukunta Signed-off-by: Dave Carroll Reviewed-by: Johannes Thumshirn Signed-off-by: Martin K. Petersen --- drivers/scsi/aacraid/aacraid.h | 1 + drivers/scsi/aacraid/commctrl.c | 19 +++++++++++++++++++ 2 files changed, 20 insertions(+) diff --git a/drivers/scsi/aacraid/aacraid.h b/drivers/scsi/aacraid/aacraid.h index 6f465c0bb4d1..4814fba41193 100644 --- a/drivers/scsi/aacraid/aacraid.h +++ b/drivers/scsi/aacraid/aacraid.h @@ -2333,6 +2333,7 @@ struct revision #define FSACTL_FORCE_DELETE_DISK CTL_CODE(2120, METHOD_NEITHER) #define FSACTL_GET_CONTAINERS 2131 #define FSACTL_SEND_LARGE_FIB CTL_CODE(2138, METHOD_BUFFERED) +#define FSACTL_RESET_IOP CTL_CODE(2140, METHOD_BUFFERED) /* flags defined for IOP & HW SOFT RESET */ #define HW_IOP_RESET 0x01 #define HW_SOFT_RESET 0x02 diff --git a/drivers/scsi/aacraid/commctrl.c b/drivers/scsi/aacraid/commctrl.c index f98618c94bf0..d8fc6b8980ba 100644 --- a/drivers/scsi/aacraid/commctrl.c +++ b/drivers/scsi/aacraid/commctrl.c @@ -1011,7 +1011,22 @@ static int aac_get_pci_info(struct aac_dev* dev, void __user *arg) } return 0; } +struct aac_reset_iop { + u8 reset_type; +}; + +static int aac_send_reset_adapter(struct aac_dev *dev, void __user *arg) +{ + struct aac_reset_iop reset; + int retval; + if (copy_from_user((void *)&reset, arg, sizeof(struct aac_reset_iop))) + return -EFAULT; + + retval = aac_reset_adapter(dev, 0, reset.reset_type); + return retval; + +} int aac_do_ioctl(struct aac_dev * dev, int cmd, void __user *arg) { @@ -1055,6 +1070,10 @@ int aac_do_ioctl(struct aac_dev * dev, int cmd, void __user *arg) case FSACTL_GET_PCI_INFO: status = aac_get_pci_info(dev,arg); break; + case FSACTL_RESET_IOP: + status = aac_send_reset_adapter(dev, arg); + break; + default: status = -ENOTTY; break; -- 2.20.1